8 1/2" 8 3/4" 216mm 222mm TCI&Mt Tricone Bit/ Steel Tooth Drill Bits/ Rock Drilling Bit/ API Roller Cone Bit Factory Price
HEJIAN YINHAI ROCK BITS MANUFACTURE CO., LTD.- Customized：Customized
- Standard：API, SGS
- Material：Tungsten Carbide
- Usage：Well Drilling
- Bearing Type：Rubber Sealed Journal Bearing
- Diameter：216mm 222mm
Base Info
- Model NO.：IADC117,217 IADC437,517,537,637
- Leg and Shirttail Protection：Hardmetal with Ovoid Inserts
- Pin Connection：4 1,2" API Reg
- IADC：117,217,317 437,517,537,637
- Transport Package：Ply Wooden Box,Carton
- Specification：35-40kg
- Trademark：YINHAI
- Origin：Cangzhou City, Hebei Province, China
- HS Code：8207199000
Description
A: Manufacturer,We are a 100% real factory of Rock Drill Bits, with 12 years' experience. And We have passed the factory audit by SGS.
A : Both standardized Tricone Bits and PDC bits produced strictly according to API and rock bits-customizing used in various construction works are provided.
A: Ply Wooden boxes (free of fumigation); Cartons; Packing can be customized.
A:We are 100% factory directly sales,API production process guarantee,Provide customized services for brand processing.
Reduce the cost of drilling for you, worry free after-sales service. Welcome to book a video-call to inspect our factory.
A:It all depends.Generally 1-5 pcs.
A:yinhaibits.en.made-in-china.com ~~~ Please contact me for Drilling Report & Clients' Feedback & Tech Data or any info.
